Research on Structure and Energy Management Strategy of Household Energy Router Based on Hybrid Energy Storage

Abstract

With the development of green energy, the energy internet gains growing applications in recent years, and energy routers are the key equipment. This paper proposes the architecture and specific circuit of the household energy router (HER). By designing energy management strategy, the HER can achieve the energy balance between distributed generation, energy storage system, grid and loads. To ensure efficiency and service life, the hybrid energy storage system consisting of batteries and ultra-capacitors is used. And the dynamic response of energy storage system is improved through energy distribution. Specially, the improved current-fed triple active bridge (CF-TAB) converter is used for the energy transformation between HER and hybrid storage system. A simulation model was built in the MATLAB, and the simulation results are provided for verification.